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Vlada [557]
2 years ago
10

What is the total price you would pay for a shirt that costs $19.85 with a 20% off discount?

Mathematics
2 answers:
Rama09 [41]2 years ago
8 0
$15.88

19.85 - 20% = 15.88
Harrizon [31]2 years ago
3 0
19.85 x 0.20 = 3.97
19.85 - 3.97 = 15.88
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A circular table has a diameter of 20 inches.what is the area of the table
Effectus [21]
Hello!

To find the area of a circle you do \pi r ^{2}

the "r" stands for radius which is half the diameter

So we do \pi * 10^{2}

Which gives us the answer of 314.16

Hope this helps!
3 0
3 years ago
Read 2 more answers
Hi :) anyone able to teach this? I don’t understand the question , thanks in advance!
puteri [66]

a) 62.855m

We will need to use the Pythagorean Theorem here, as we know a and c, but not b. I have attached an image of a triangle sketch to set up the problem, which should hopefully help us to visualize this problem a bit better.

Pythagorean Theorem: a^2 + b^2 = c^2

(19.8)^2 + b^2 = (65.9)^2

392.04 + b^2 = 4342.81

b^2 = 3950.77

b = 62.855 (rounded to 3 places)

b) m = 0.315

The gradient is also known as the slope. I've shown what the points would be in the image attached. Now that we know the value of b (x in the points in image), we can use points E and C to find the slope.

Point 1: (0,0)

Point 2: (62.855, 19.8)

m = (19.8 - 0) / (62.855 - 0)

m = 19.8 / 62.855

m = 0.315 (rounded to three places)

c) 17.485 degrees

The angle of inclination would be angle C. To find angle C, we will need to use an inverse trigonometry function. Any can be used since we know all of the side lengths, but I will show Sine here, opposite / hypotenuse.

sin(x) = 19.8 / 65.9

x = sin^-1 (19.8/65.9)

x = 17.485 degrees (rounded to 3 places)

Hope this helps!! :)

7 0
3 years ago
The point P(6, –1) is translated according to the rule (x, y) → (x – 5, y – 2).
monitta

The <em>resulting</em> point by considering that P(x, y) = (6, - 1) and P'(x, y) = P(x, y) + (- 5, - 2) is equal to the coordinates P'(x, y) = (1, - 3). (Right choice: C)

<h3>How to determined a resulting point by translation</h3>

In this question we need to determine the new location of a point by using a <em>translation</em> formula. Translations are rigid transformations in which a point is translated on a <em>Cartesian</em> plane. We have the following formula:

P'(x, y) = P(x, y) + (- 5, - 2)     (1)

Where:

  • P(x, y) - Original point
  • P'(x, y) - Resulting point

If we know that P(x, y) = (6, - 1), then the resulting point is:

P'(x, y) = (6, - 1) + (- 5, - 2)

P'(x, y) = (1, - 3)

The <em>resulting</em> point by considering that P(x, y) = (6, - 1) and P'(x, y) = P(x, y) + (- 5, - 2) is equal to the coordinates P'(x, y) = (1, - 3). (Right choice: C)

To learn more on translations: brainly.com/question/17152175

#SPJ1

6 0
2 years ago
Please answer ive been waiting half hour
Oksana_A [137]
I’m pretty sure it’s plant
7 0
2 years ago
Read 2 more answers
Complete the proof using paragraph or two-column, or flow. Please help me! Answer ASAP!
Alenkasestr [34]

The answer is in the photo. Hope this helps

4 0
3 years ago
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